Two Polaroids P1 and P2 are placed with their axis perpendicular to each other. Unpolarised light lo is incident on P1. A third polaroid P3 is kept in between P1 and P2 such that its axis makes an angle 45° with that of P1. The intensity of transmitted light through P2 is

I=I02×cos2⁡45∘×cos2⁡45°=I08

Two Polaroids P1 and P2 are placed with their axis perpendicular to each other. Unpolarised light lo is incident on P1. A third polaroid P3 is kept in between P1 and P2 such that its axis makes an angle 45° with that of P1. The intensity of transmitted light through P2 is

I=I02×cos2⁡45∘×cos2⁡45°=I08

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Two Polaroids P₁and P₂ are placed with their axis perpendicular to each other. Unpolarised light l_o is incident on P₁. A third polaroid P₃ is kept in between P₁ and P₂ such that its axis makes an angle 45° with that of P₁. The intensity of transmitted light through P₂ is

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I₀/16

I₀/2

I₀/4

I₀/8

answer is D.

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$I = \frac{I_{0}}{2} \times \cos^{2} 45^{\circ} \times \cos^{2} 45 ° = \frac{I_{0}}{8}$

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Two Polaroids P1 and P2 are placed with their axis perpendicular to each other. Unpolarised light lo is incident on P1. A third polaroid P3 is kept in between P1 and P2 such that its axis makes an angle 45° with that of P1. The intensity of transmitted light through P2 is

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Two Polaroids P₁and P₂ are placed with their axis perpendicular to each other. Unpolarised light l_o is incident on P₁. A third polaroid P₃ is kept in between P₁ and P₂ such that its axis makes an angle 45° with that of P₁. The intensity of transmitted light through P₂ is